Users Manual

BDE-BLEM205
BDE Technology Co., Ltd.
 Standby: 0.95uA (RTC running and RAM/CPU retention)

RX current: 6.9mA

TX current @ 0dBm: 7.4mA

TX current @ 5dBm: 9.7mA

BQB, FCC, CE, RoHS compliant
Descriptions
BDE-BLEM205 is a Bluetooth 4 and 5 single-mode compliant Bluetooth low energy module targeted at
low power sensors and PC/Phone accessories.
BDE-BLEM205 highly integrates Bluetooth Low Energy radio, stack, profile and applications in a SoC,
without the need of using an external MCU. The module also offers flexible hardware interfaces for the
sensor application.
It enables ultra-low power connectivity and data transfer for the applications that are sensitive to
power consumption, size and cost.
Block Diagram
Fig. 1: The Block Diagram of BDE-BLEM205